[PDF][PDF] 相关熵与循环相关熵信号处理研究进展

邱天爽 - 电子与信息学报, 2020 - jeit.ac.cn
在无线电监测和目标定位等应用中, 接收信号经常会受到脉冲噪声和同频带干扰等复杂电磁环境
的影响, 传统的基于2 阶统计量的信号处理方法往往不能正常工作, 基于分数低阶统计量的信号 …

Assessment of background noise properties in time and time–frequency domains in the context of vibration-based local damage detection in real environment

K Skowronek, T Barszcz, J Antoni, R Zimroz… - … Systems and Signal …, 2023 - Elsevier
Any measurement in condition monitoring applications is associated with disturbing noise.
Till now, most of the diagnostic procedures have assumed the Gaussian distribution for the …

Development in signal processing based on correntropy and cyclic correntropy

T QIU - 电子与信息学报, 2020 - jeit.ac.cn
In radio monitoring and target location applications, the received signals are often affected
by complex electromagnetic environment, such as impulsive noise and cochannel …

Generalized spectral coherence for cyclostationary signals with α-stable distribution

P Kruczek, R Zimroz, J Antoni, A Wyłomańska - Mechanical Systems and …, 2021 - Elsevier
The statistical characteristics of cyclostationary signals vary periodically in time. In the
Gaussian (or second-order) case this property is typically related to the periodic …

Influence of non-Gaussian noise on the effectiveness of cyclostationary analysis–Simulations and real data analysis

J Wodecki, A Michalak, A Wyłomańska, R Zimroz - Measurement, 2021 - Elsevier
Cyclostationary analysis is a useful approach in diagnostics of the machinery with rotating
components. It allows indicating the cyclic modulations in the signal via analysis of a bi …

Local defect detection in bearings in the presence of heavy-tailed noise and spectral overlapping of informative and non-informative impulses

J Nowicki, J Hebda-Sobkowicz, R Zimroz… - Sensors, 2020 - mdpi.com
The problem of the informative frequency band (IFB) selection for local fault detection is
considered in the paper. There are various approaches that are very effective in this issue …

Robust time delay estimation with unknown cyclic frequency in co-channel interference and impulsive noise

T Liu, J Zhang, S Luan, T Qiu - Digital Signal Processing, 2021 - Elsevier
Time delay estimation (TDE) has been an essential topic in both theoretical research and
engineering practice. The effective models and solutions related to this work have been …

DOA estimation using single or dual reception channels based on cyclostationarity

Z Wang, W Xie, Y Zou, Q Wan - IEEE Access, 2019 - ieeexplore.ieee.org
This paper addresses the problem of direction-of-arrival (DOA) estimation for cyclostationary
signals using less reception channel in comparison with the number of sensors. The system …

Trackside acoustic detection of axle-box bearing fault based on cyclic beamforming

D Hu, Y Zhang, H Chen, W Shi, A Liao - Applied Acoustics, 2024 - Elsevier
Trackside acoustic detection (TAD) is a cost-effective way to detect axle-box bearing faults.
However, it is difficult to extract the features of bearing fault due to strong background noise …

Robust coherent and incoherent statistics for detection of hidden periodicity in models with non-Gaussian additive noise

W Żuławiński, J Antoni, R Zimroz… - EURASIP Journal on …, 2024 - Springer
We address the issue of detecting hidden periodicity when the signal exhibits periodic
correlation, but is additionally affected by non-Gaussian noise with unknown characteristics …